Skip to main content


SY ASA Roller Chain Aqua Series Duplex Strand

  • Sugiyama Roller Chain is the ultimate roller chain.
  • SY Chain has a longer service life & a higher allowable maximum load.
  • Choose from 2 different strands: Simplex and Duplex.
  • Available in British and American Standard.

All About Aqua-Proof Roller Chains


  • Excellent corrosion resistance without plating same strength and working load values as standard chain No hydrogen embrittlement by surface treatment.
  • Same strength as SY standard carbon steel roller chain.
  • Dual-layer coatings are applied to each component part prior to the assembling process.
  • Thoroughly protected parts provide superior antirust performance.

Results of Corrosion Resistant Tests

Salt Spray Test

Chains Hour for Rust Developed (Hours)
Special Surface Treated 1000 No rust
Gloss Chromating 72~96
Colored Chromating 120~240
Molten Zinc Plating 120~240

 Salt Spray Test

Chains Hour for Rust Developed (Hours)
Nickel Plated 48
Special Surface Treated 600~840
Made Of SUS 304 Stainless Steel above 840 No rust


  • Outdoor service.
  • Seawater applications.
  • Stacking crane.
  • Car parking.
  • Washdown equipment.

Purpose of Special Surface Treatment

  • Link plate: for anticorrosion
  • Other parts: for anticorrosion and to reduce friction


  • For the food products industry where the chain may be exposed to direct food contact, stainless steel chain is recommended.


  • AIMS SKU A0158699
  • Brand SY Chain
  • Model Number SY40-2AQUA
  • Chain Number 40
  • Plate Thickness T (mm) 1.5
  • Pin Length L1 (mm) 15.4
  • Roller Diameter R (mm) 7.92
  • Pitch P (mm) 12.7
  • Maximum Allowable Load (kN) 6.17
  • Trans.Pitch TP (mm) 14.4
  • Plate Height H (mm) 11.7
  • Pin Length LC (mm) 32.2
  • Roller Width W (mm) 7.95
  • Chain Length 10 ft
  • Average Tensile Strength (kN) 38.2
  • Average Chain Weight kg/m (mm) 1.22
  • Pin Length L2 (mm) 16.8
  • Pin Length LR (mm) 30.8
  • Pin Diameter d (mm) 3.96
  • Chain Pitch 1/2 in
  • Type Roller Chain
  • System of Measurement American (ASA)
  • Strand Duplex
SKU: A0158699

SY 40-2 ASA Roller Chain Aqua Duplex 1/2" Pitch - Box of 10 Foot

SY ASA Roller Chain Aqua Series Duplex Strand


How it works.

Make 4 payments of $149.76 over 8 weeks and get it now!

Buy now, pay later.

Choose a different size/variant

Calculate Shipping

Browse other products under

Roller Chain

Browse other products by

SY Chain


Write a product review!

Help other AIMS Industrial Supplies users shop smarter by writing reviews for products you have purchased.

Write a product review